ui(send): use navigation stack instead of navigation view

BDKSwiftExampleWallet/View/AddressView.swift

@@ -12,7 +12,7 @@ import SwiftUI
 struct AddressView: View {
     let amount: String
     @State var address: String = ""
-    @Binding var rootIsActive: Bool
+    @Binding var navigationPath: NavigationPath
     let pasteboard = UIPasteboard.general
     @State private var isShowingScanner = false
     @State private var isShowingAlert = false
@@ -99,22 +99,17 @@ struct AddressView: View {
 
                 Spacer()
 
-                NavigationLink(
-                    destination:
-                        FeeView(
-                            amount: amount,
-                            address: address,
-                            viewModel: .init(),
-                            rootIsActive: self.$rootIsActive
-                        )
-                ) {
+                Button {
+                    navigationPath.append(
+                        NavigationDestination.fee(amount: amount, address: address)
+                    )
+                } label: {
                     Label(
                         title: { Text("Next") },
                         icon: { Image(systemName: "arrow.right") }
                     )
                     .labelStyle(.iconOnly)
                 }
-                .isDetailLink(false)
                 .buttonStyle(BitcoinOutlined(width: 100, isCapsule: true))
 
             }
@@ -155,14 +150,14 @@ extension AddressView {
         AddressView(
             amount: "200",
             address: "tb1pw6y0vtmsn46epvz0j8ddc46ketmp28t82p22hcrrkch3a0jhu40qe267dl",
-            rootIsActive: .constant(false)
+            navigationPath: .constant(NavigationPath())
         )
     }
     #Preview {
         AddressView(
             amount: "200",
             address: "tb1pw6y0vtmsn46epvz0j8ddc46ketmp28t82p22hcrrkch3a0jhu40qe267dl",
-            rootIsActive: .constant(false)
+            navigationPath: .constant(NavigationPath())
         )
         .environment(\.dynamicTypeSize, .accessibility5)
     }

BDKSwiftExampleWallet/View/AmountView.swift

@@ -11,7 +11,7 @@ import SwiftUI
 struct AmountView: View {
     @Bindable var viewModel: AmountViewModel
     @State var numpadAmount = "0"
-    @State var isActive: Bool = false
+    @Binding var navigationPath: NavigationPath
 
     var body: some View {
 
@@ -60,8 +60,11 @@ struct AmountView: View {
                     Spacer()
 
                     VStack {
+
                         Button {
-                            isActive = true
+                            navigationPath.append(
+                                NavigationDestination.address(amount: numpadAmount)
+                            )
                         } label: {
                             Label(
                                 title: { Text("Next") },
@@ -70,13 +73,7 @@ struct AmountView: View {
                             .labelStyle(.iconOnly)
                         }
                         .buttonStyle(BitcoinOutlined(width: 100, isCapsule: true))
-                        NavigationLink(
-                            destination: AddressView(amount: numpadAmount, rootIsActive: $isActive),
-                            isActive: $isActive
-                        ) {
-                            EmptyView()
-                        }
-                        .hidden()
+
                     }
 
                 }
@@ -85,8 +82,8 @@ struct AmountView: View {
                     viewModel.getBalance()
                 }
             }
-            .onChange(of: isActive) {
-                if !isActive {
+            .onChange(of: navigationPath) { oldPath, newPath in
+                if newPath.isEmpty {
                     numpadAmount = "0"
                 }
             }
@@ -145,11 +142,18 @@ struct NumpadButton: View {
 
 #if DEBUG
     #Preview {
-        AmountView(viewModel: .init(bdkClient: .mock))
+        AmountView(
+            viewModel: .init(bdkClient: .mock),
+            navigationPath: .constant(NavigationPath())
+        )
     }
 
     #Preview {
-        AmountView(viewModel: .init(bdkClient: .mock))
-            .environment(\.dynamicTypeSize, .accessibility5)
+        AmountView(
+            viewModel: .init(bdkClient: .mock),
+            navigationPath: .constant(NavigationPath())
+
+        )
+        .environment(\.dynamicTypeSize, .accessibility5)
     }
 #endif

BDKSwiftExampleWallet/View/BuildTransactionView.swift

@@ -16,7 +16,7 @@ struct BuildTransactionView: View {
     @Bindable var viewModel: BuildTransactionViewModel
     @State var isSent: Bool = false
     @State var isError: Bool = false
-    @Binding var shouldPopToRootView: Bool
+    @Binding var navigationPath: NavigationPath
     @State private var isCopied = false
     @State private var showCheckmark = false
 
@@ -86,7 +86,7 @@ struct BuildTransactionView: View {
                                 if self.viewModel.buildTransactionViewError == nil {
                                     self.isSent = true
                                     DispatchQueue.main.asyncAfter(deadline: .now() + 1.5) {
-                                        self.shouldPopToRootView = false
+                                        self.navigationPath.removeLast(self.navigationPath.count)
                                     }
                                 } else {
                                     self.isSent = false
@@ -186,7 +186,7 @@ struct BuildTransactionView: View {
             viewModel: .init(
                 bdkClient: .mock
             ),
-            shouldPopToRootView: .constant(false)
+            navigationPath: .constant(NavigationPath())
         )
     }
 
@@ -198,7 +198,7 @@ struct BuildTransactionView: View {
             viewModel: .init(
                 bdkClient: .mock
             ),
-            shouldPopToRootView: .constant(false)
+            navigationPath: .constant(NavigationPath())
         )
         .environment(\.dynamicTypeSize, .accessibility5)
     }

BDKSwiftExampleWallet/View/FeeView.swift

@@ -13,7 +13,7 @@ struct FeeView: View {
     let amount: String
     let address: String
     @Bindable var viewModel: FeeViewModel
-    @Binding var rootIsActive: Bool
+    @Binding var navigationPath: NavigationPath
 
     var body: some View {
 
@@ -66,23 +66,21 @@ struct FeeView: View {
 
                 Spacer()
 
-                NavigationLink(
-                    destination: BuildTransactionView(
-                        amount: amount,
-                        address: address,
-                        fee: viewModel.selectedFee ?? 1,
-                        viewModel: .init(),
-                        shouldPopToRootView: self.$rootIsActive
-
+                Button {
+                    navigationPath.append(
+                        NavigationDestination.buildTransaction(
+                            amount: amount,
+                            address: address,
+                            fee: viewModel.selectedFee ?? 1
+                        )
                     )
-                ) {
+                } label: {
                     Label(
                         title: { Text("Next") },
                         icon: { Image(systemName: "arrow.right") }
                     )
                     .labelStyle(.iconOnly)
                 }
-                .isDetailLink(false)
                 .buttonStyle(BitcoinOutlined(width: 100, isCapsule: true))
 
             }
@@ -113,7 +111,7 @@ struct FeeView: View {
             amount: "50",
             address: "tb1pxg0lakl0x4jee73f38m334qsma7mn2yv764x9an5ylht6tx8ccdsxtktrt",
             viewModel: .init(feeClient: .mock, bdkClient: .mock),
-            rootIsActive: .constant(false)
+            navigationPath: .constant(NavigationPath())
         )
     }
 
@@ -122,7 +120,7 @@ struct FeeView: View {
             amount: "50",
             address: "tb1pxg0lakl0x4jee73f38m334qsma7mn2yv764x9an5ylht6tx8ccdsxtktrt",
             viewModel: .init(feeClient: .mock, bdkClient: .mock),
-            rootIsActive: .constant(false)
+            navigationPath: .constant(NavigationPath())
         )
         .environment(\.dynamicTypeSize, .accessibility5)
     }

BDKSwiftExampleWallet/View/TabHomeView.swift

@@ -9,6 +9,7 @@ import SwiftUI
 
 struct TabHomeView: View {
     @Bindable var viewModel: TabHomeViewModel
+    @State private var sendNavigationPath = NavigationPath()
 
     var body: some View {
 
@@ -29,10 +30,35 @@ struct TabHomeView: View {
                     .tabItem {
                         Image(systemName: "arrow.down")
                     }
-                AmountView(viewModel: .init())
-                    .tabItem {
-                        Image(systemName: "arrow.up")
-                    }
+
+                NavigationStack(path: $sendNavigationPath) {
+                    AmountView(viewModel: .init(), navigationPath: $sendNavigationPath)
+                        .navigationDestination(for: NavigationDestination.self) { destination in
+                            switch destination {
+                            case .address(let amount):
+                                AddressView(amount: amount, navigationPath: $sendNavigationPath)
+                            case .fee(let amount, let address):
+                                FeeView(
+                                    amount: amount,
+                                    address: address,
+                                    viewModel: .init(),
+                                    navigationPath: $sendNavigationPath
+                                )
+                            case .buildTransaction(let amount, let address, let fee):
+                                BuildTransactionView(
+                                    amount: amount,
+                                    address: address,
+                                    fee: fee,
+                                    viewModel: .init(),
+                                    navigationPath: $sendNavigationPath
+                                )
+                            }
+                        }
+                }
+                .tabItem {
+                    Image(systemName: "arrow.up")
+                }
+
                 SettingsView(viewModel: .init())
                     .tabItem {
                         Image(systemName: "gear")
@@ -58,6 +84,12 @@ struct TabHomeView: View {
 
 }
 
+enum NavigationDestination: Hashable {
+    case address(amount: String)
+    case fee(amount: String, address: String)
+    case buildTransaction(amount: String, address: String, fee: Int)
+}
+
 #if DEBUG
     #Preview {
         TabHomeView(viewModel: .init(bdkClient: .mock))